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4A0-255 Nokia Advanced Optical Network Design Question and Answers

Question # 4

Which if the following statements about Recovery Time Objective (RTO) and Recovery Point Object Point Objective (PRO) is FALSE?

A.

RTO/PRO define business continually requirements for data center.

B.

RTO/PRO defined the acceptable amount of data (in bits) that can be lost after a failure.

C.

Data center mirroring has the most critical level of RTO.RPO among DC applications.

D.

Tier ½ data centers have stricter RTO/PRO requirements than Tire ¾.

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Question # 5

Which of the following statements about the Decision (HDEFC) decoding and soft decision FEC (SDFEC) decoding is FALSE?

A.

HDFEC injects less latency into the decoding process than SDFEC.

B.

HDFEC provides a higher coding gain than SDEFC

C.

HDFEC uses fewer thresholds than SDEFC.

D.

HDFEC discards bits earlier in the decoding process than SDEFC.

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Question # 6

Consider the exhibit shows the standard 8-step network design process. Suppose that you have used this process to design a Green filed network, which has been commissioned and is in operation. The customer now requests an extension to the network to accommodate more steps and traffic. Which steps are not required when designing such an extension?

A.

Step 2(analyze Traffic Demand and Step 4 ( Define Network Topology)

B.

Step (Define Network Architecture ) and Step 5( Evaluate Traffic Demandon Architecture)

C.

Step2 (Analyze Available) and Step 8 (Analyze Cost).

D.

The steps to befollowed depended on the requirement of the network extension.

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